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A familiar object executing periodic motion is the pendulum of a:
AWall clock
BSteam engine
CBicycle wheel
DCeiling fan
Answer & Solution
Correct answer: A. Wall clock
1. An everyday example is used to introduce the idea.
2. It swings back and forth at a steady rate.
3. It is the pendulum of a wall clock.
_Source: NCERT Class 11 Physics Part II, Chapter 14, Oscillations._
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